Grade | Applications |
YG4C | For inserting the electrical and compressed air drill bits, used in geological prospecting, coal mining, suitable for drilling coal, unsolidified shale, salt rock and other formations; Also for drilling medium hard sandstone, limestone and soft and hard rock interspersed formations. |
YG8 | For coring crowns, electrical coal drill bits, coal cutting picks used in geological prospecting, coal mining. |
YG8C | For rotary rock drill bits for medium soft and medium hard rock; and for coal cutting picks for cutting of stone containing formations. |
YG11C | For tipping of bits for heavy rock drills and rotary hammer rock drills cutting hard rocks. |
YG13C | For making drill cone to drill hard and medium hard rock formation in oil field; also for making rotary percussing drill bits and heavy duty drill bits. |
YG15 | High intension, lower wear-resistance. Suitable for making bits used in rotary machine and heavy rotary machine to drill hard and very hard rock formation |
YG15C | For making drill cone to drill all kinds of rock formation. |
Suggestion: We would like to recommend suitable grade depending on your requirements. |